Solid back insert for a wheelchair



FIG. 1 is a front view of a solid back insert for a wheelchair illustrating my design;

FIG. 2 is a side elevational view thereof, the opposite side being a mirror image thereof;

FIG. 3 is a top plan view thereof, the bottom side being a mirror image thereof; and,

FIG. 4 is a rear view thereof. 

The ornamental design of a solid back insert for a wheelchair, as shown and described. 